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x-3=-5/+3
x=-2
b)5x+2=7-3x/+3x
8x+2=7/-2
8x=5/:8
x=5/8
c)3(x-1)=0
3x-3=0/+3
3x=3/:3
x=1
4x-3x=-5+3
x=-2
b)5x+2=7-3x
5x+3x=7-2
8x=5...../:8
x=0,625
c)3(x-1)=0
3x-3=0
3x=3...../:3
x=1
Na 101% wszystko mam dobrze.
4x-3=3x-5/-3x
x-3=-5/+3
x=-2
b)
5x+2=7-3x/+3x
8x+2=7/-2
8x=5/:8
x=5/8
c)
3(x-1)=0
3x-3=0/+3
3x=3
x=1